CN215409814U

CN215409814U - Bearing protection sleeve

Info

Publication number: CN215409814U
Application number: CN202121419624.9U
Authority: CN
Inventors: 周辉
Original assignee: Anhui Huishengyuan Industrial Furnace Technology Co ltd
Current assignee: Anhui Huishengyuan Industrial Furnace Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-04
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a bearing protection sleeve, which comprises a main shaft, wherein the outer walls of two ends of the main shaft are respectively sleeved with a bearing body, the outside of the bearing body is sleeved with a protection sleeve, and two ends of the protection sleeve are respectively provided with a bearing plate and a bearing seat; the side wall of the protecting sleeve is provided with an oil hole, and lubricating oil is injected into the protecting sleeve through the oil hole; a sealing plunger is arranged in the oil hole, a sealing rubber ring is arranged at the outward extending end of the sealing plunger, and a sealing block is arranged on the outer wall of the sealing rubber ring; the inner wall of the sealed plunger is provided with a through hole, a threaded sleeve is arranged in the through hole, threaded rods are respectively inserted into two ends of the threaded sleeve in a threaded manner, and the threaded rods penetrate through the end, extending outwards, of the threaded sleeve to form a fastening block. The utility model overcomes the defects of the prior art, has reasonable design, adopts an oil seal mode, plays a role in protecting the bearing, prevents impurities from entering the bearing, prolongs the service life of the bearing and has higher social use value and application prospect.

Description

Bearing protection sleeve

Technical Field

The utility model relates to the technical field of bearings, in particular to a bearing protection sleeve.

Background

The hub bearing is one of key parts of an automobile, the main functions of the hub bearing are to bear weight and provide accurate guide for rotation of a hub, so that the hub bearing is required to bear axial load and radial load, the existing hub bearing ensures self-sealing performance by press-fitting sealing elements at two ends of the bearing and forms sealing with an original automobile counterpart.

Therefore, the inventor, with his experience of design development and actual manufacturing in the related industry for many years, has studied and improved the existing structure and deficiency, and provides a protective sleeve for bearings, so as to achieve the purpose of more practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background art, the present invention provides a bearing shield case.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a bearing protection sleeve comprises a main shaft, wherein the outer walls of two ends of the main shaft are respectively sleeved with a bearing body, the outside of the bearing body is sleeved with a protection sleeve, and two ends of the protection sleeve are respectively provided with a bearing plate and a bearing seat;

the side wall of the protecting sleeve is provided with an oil hole, and lubricating oil is injected into the protecting sleeve through the oil hole; a sealing plunger is arranged in the oil hole, a sealing rubber ring is arranged at the outward extending end of the sealing plunger, and a sealing block is arranged on the outer wall of the sealing rubber ring;

the inner wall of the sealing plunger is provided with a through hole, a threaded sleeve is arranged in the through hole, two ends of the threaded sleeve are respectively in threaded connection with a threaded rod, and the end, extending outwards, of the threaded rod, penetrating through the threaded sleeve, is provided with a fastening block;

the outer wall of thread bush has cup jointed first bevel gear, and one side meshing of first bevel gear is connected with second bevel gear, and second bevel gear's inner wall is pegged graft and is had the dwang, and the dwang passes sealed plunger and sealed rubber ring and is equipped with the shifting block to the outer wall extension end of sealed piece.

Preferably, the fastening block is the component that the silica gel material was made, and the lateral wall of fastening block is equipped with the L type gag lever post of two symmetries, and L type gag lever post extends to the inner wall of through-hole, and the inner wall of through-hole is equipped with the spacing spout that corresponds with L type gag lever post.

Preferably, the inner wall of the threaded sleeve is provided with a threaded hole corresponding to the threaded rods, and the outer walls of the two threaded rods are respectively provided with a positive thread and a negative thread.

Preferably, one side of the outer wall of the sealing block is provided with a containing groove corresponding to the shifting block.

Compared with the prior art, the utility model has the beneficial effects that:

1. an oil seal mode is adopted, so that the bearing is protected, impurities are prevented from entering the bearing, and the service life is prevented from being influenced;

2. the fixing is realized through the fastening block, the screw fixing mode is avoided, and the punching is not needed;

in conclusion, the utility model overcomes the defects of the prior art, has reasonable design, protects the bearing by adopting an oil seal mode, avoids impurities from entering the bearing, prolongs the service life of the bearing and has higher social use value and application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is an enlarged view of the structure B of the present invention.

In the figure: the bearing comprises a main shaft 1, a bearing plate 2, a bearing seat 3, a protective sleeve 4, a bearing body 5, an oil hole 6, a sealing block 7, a sealing rubber ring 8, a sealing plunger 9, a through hole 10, a threaded sleeve 11, a first bevel gear 12, a second bevel gear 13, a rotating rod 14, a threaded rod 15, a fastening block 16, an L-shaped limiting rod 17, a limiting sliding groove 18 and a shifting block 19.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a bearing protection sleeve comprises a main shaft 1, wherein the outer walls of two ends of the main shaft 1 are respectively sleeved with a bearing body 5, the outside of the bearing body 5 is sleeved with a protection sleeve 4, and two ends of the protection sleeve 4 are respectively provided with a bearing plate 2 and a bearing seat 3;

an oil hole 6 is formed in the side wall of the protecting sleeve 4, and lubricating oil is injected into the protecting sleeve 4 through the oil hole 6; a sealing plunger 9 is arranged in the oil hole 6, a sealing rubber ring 8 is arranged at the outward extending end of the sealing plunger 9, and a sealing block 7 is arranged on the outer wall of the sealing rubber ring 8;

the inner wall of the sealing plunger 9 is provided with a through hole 10, a threaded sleeve 11 is arranged in the through hole 10, threaded rods 15 are respectively inserted into two ends of the threaded sleeve 11 in a threaded manner, the threaded rods 15 penetrate through the outwardly extending end of the threaded sleeve 11 and are provided with fastening blocks 16, the inner wall of the threaded sleeve 11 is provided with threaded holes corresponding to the threaded rods 15, the outer walls of the two threaded rods 15 are respectively provided with positive threads and negative threads, the threaded rods 15 at two ends can be driven to simultaneously move in opposite directions when the threaded sleeve 11 rotates, and the fastening blocks 16 are driven to be tightly attached to the inner wall of the protective sleeve 4, so that a fastening effect is achieved;

first bevel gear 12 has been cup jointed to the outer wall of thread bush 11, one side meshing of first bevel gear 12 is connected with second bevel gear 13, second bevel gear 13's inner wall is pegged graft and is had dwang 14, dwang 14 passes sealed plunger 9 and sealed rubber ring 8 and extends the end to the outer wall of sealed piece 7 and be equipped with shifting block 19, outer wall one side of sealed piece 7 is equipped with the groove of accomodating that corresponds with shifting block 19, rotate second bevel gear 13 through shifting block 19, and drive the first bevel gear 12 rotation of one side.

The fastening block 16 is a component made of silica gel, the side wall of the fastening block 16 is provided with two symmetrical L-shaped limiting rods 17, the L-shaped limiting rods 17 extend towards the inner wall of the through hole 10, and the inner wall of the through hole 10 is provided with a limiting sliding groove 18 corresponding to the L-shaped limiting rods 17.

The working principle is as follows: when the sealing device is used, the sealing plunger 9 is opened, and lubricating oil is injected into the protecting sleeve 4 through the oil hole 6, so that the sealing effect is achieved, impurities are prevented from entering the protecting sleeve 4 to influence the operation of the bearing body 5, and the service life of the bearing body 5 is prolonged;

after lubricating oil is injected, the sealing plunger 9 is inserted into the oil hole 6, and the sealing rubber ring 8 is tightly attached to the protecting sleeve 4 to play a role in sealing; meanwhile, the second bevel gear 13 is rotated through the shifting block 19, the first bevel gear 12 on one side is driven to rotate, the first bevel gear 12 drives the threaded sleeve 11 to rotate, the threaded rods 15 on two ends can be driven to move towards two ends simultaneously when the threaded sleeve 11 rotates, and the fastening block 16 is driven to be tightly attached to the inner wall of the protective sleeve 4, so that a fastening effect is achieved, and the fastening by adopting a screw mode is avoided;

and under the limiting action of the L-shaped limiting rod 17, the fastening block 16 can be ensured to move stably.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a bearing lag, includes main shaft (1), its characterized in that: the outer walls of two ends of the main shaft (1) are respectively sleeved with a bearing body (5), the outer part of the bearing body (5) is sleeved with a protective sleeve (4), and two ends of the protective sleeve (4) are respectively provided with a bearing plate (2) and a bearing seat (3);

an oil hole (6) is formed in the side wall of the protecting sleeve (4), and lubricating oil is injected into the protecting sleeve (4) through the oil hole (6); a sealing plunger (9) is arranged in the oil hole (6), a sealing rubber ring (8) is arranged at the outward extending end of the sealing plunger (9), and a sealing block (7) is arranged on the outer wall of the sealing rubber ring (8);

a through hole (10) is formed in the inner wall of the sealing plunger (9), a threaded sleeve (11) is arranged in the through hole (10), threaded rods (15) are respectively inserted into two ends of the threaded sleeve (11) in a threaded manner, and fastening blocks (16) are arranged at the ends, extending outwards, of the threaded rods (15) penetrating through the threaded sleeve (11);

the outer wall of thread bush (11) has cup jointed first bevel gear (12), and one side meshing of first bevel gear (12) is connected with second bevel gear (13), and the inner wall of second bevel gear (13) is pegged graft and is had dwang (14), and dwang (14) pass sealed plunger (9) and sealed rubber ring (8) and are equipped with shifting block (19) to the outer wall extension end of sealed piece (7).

2. A bearing shield according to claim 1, wherein: the utility model discloses a quick fastening device, including fastening block (16), the lateral wall of fastening block (16) is equipped with L type gag lever post (17) of two symmetries, and L type gag lever post (17) extend to the inner wall of through-hole (10), and the inner wall of through-hole (10) is equipped with spacing spout (18) that correspond with L type gag lever post (17).

3. A bearing shield according to claim 1, wherein: the inner wall of the threaded sleeve (11) is provided with threaded holes corresponding to the threaded rods (15), and the outer walls of the two threaded rods (15) are respectively provided with positive threads and negative threads.

4. A bearing shield according to claim 1, wherein: one side of the outer wall of the sealing block (7) is provided with a containing groove corresponding to the shifting block (19).